From 62a09a1ec30bbaf45aaa9e26c86c29d15c069b77 Mon Sep 17 00:00:00 2001
From: jiaqizho <jiaqi.zhou@zilliz.com>
Date: Thu, 16 Jul 2026 15:17:25 +0800
Subject: [PATCH] feat: expose cached file metadata APIs on FileFragment

Make the full and indexed file metadata lookup methods public so callers can
reuse the fragment's dataset-level metadata cache instead of loading metadata
independently through FileReader.
---
 rust/lance/src/dataset/fragment.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/rust/lance/src/dataset/fragment.rs b/rust/lance/src/dataset/fragment.rs
index 4cac0b17f2b..b365dcb4d26 100644
--- a/rust/lance/src/dataset/fragment.rs
+++ b/rust/lance/src/dataset/fragment.rs
@@ -1620,7 +1620,7 @@ impl FileFragment {
     }
 
     /// Get the file metadata for this fragment, using the cache if available.
-    async fn get_file_metadata(
+    pub async fn get_file_metadata(
         &self,
         file_scheduler: &FileScheduler,
     ) -> Result<Arc<CachedFileMetadata>> {
@@ -1637,7 +1637,7 @@ impl FileFragment {
         Ok(file_metadata)
     }
 
-    async fn get_file_metadata_index(
+    pub async fn get_file_metadata_index(
         &self,
         file_scheduler: &FileScheduler,
         known_schema: Option<(Arc<Schema>, u64)>,